Application Research Of Virtual Sand Painting Based On Somatosensory Equipment

In virtual reality applications,human-computer interaction is a core technology that shoulders the burden of giving users a more realistic experience and immersion.The application research on virtual sand painting has attracted the attention of many scholars and is a subject that needs constant innovation research.This topic is based on virtual reality technology,using Leap Motion and touch screen technology to design and implement a virtual sand painting system,through the recognition of gestures to carry out three-dimensional virtual sand painting in the air,and using the touch screen for two-dimensional virtual Sand painting draws,allowing users to get a more realistic experience in simulation applications.The main work of this paper is as follows:(1)Improved rendering of virtual sand painting.Firstly,this paper draws on the principles of sand painting and the various drawing techniques of sand painting,and distinguishes the different visual effects produced by different drawing techniques when drawing.Secondly,the sand simulation effect under the particle system is compared.The rendering effect under the filtering process is analyzed and analyzed.Finally,based on the original sand painting rendering,this topic has improved the sand,mainly to re-divide the area of the sand drop board and make the pixels in the area.The point obeys the Gaussian distribution,making the rendering effect closer to the real sand painting.(2)Improved real-time performance based on Leap Motion gesture recognition.In the process of drawing virtual sand painting based on Leap Motion gesture recognition,this paper introduce a new index vector for the problem of gesture recognition delay.Based on the invariance principle of eigenvectors,a new index vector is introduced to adjust the feature extraction.The experimental results show that the introduction of new index vectors makes the gestures more reliable in real-time prediction,and at the same time improves the recognition rate and makes The real-time frame rate guarantees the smoothness of the entire operation.(3)Aiming at the singularity of the application research of virtual sand painting,this paper proposes a gesture recognition based on Leap Motion based on somatosensory equipment,and completes the rendering of virtual sand painting together with PQ Labs G4 S touch screen to realize the virtual sand painting drawing system.